Home / 58,720.16-81,033.18-31,863.26

Finding the Fourth Proportional to 58,720.16, 81,033.18 and 31,863.26

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Solution

The fourth proportional to 58,720.16, 81,033.18 and 31,863.26 is: 43,970.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,720.16 : 81,033.18 = 31,863.26 : x
  2. Step 2: Convert to fraction form
    58,720.16/81,033.18 = 31,863.26/x
  3. Step 3: Cross multiply
    58,720.16x = 81,033.18 × 31,863.26
  4. Step 4: Simplify right side
    58,720.16x = 2,581,981,282.97
  5. Step 5: Solve for x
    x = 2,581,981,282.97/58,720.16
  6. Step 6: Final answer
    x = 43,970.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.